Nickel 200 Alloy (UNS N02200) Diameter 4 - 300mm Hot Rolled Cold Drawn Bar Nickel Rod
Introduction
Nickel 200 is a solid solution strengthened, commercially pure wrought materials with excellent mechanical properties and resistance to corrosion. It also has exceptional resistance to caustic alkalis at different concentrations and temperatures. However, the corrosion resistance is better in de-aerated acid. The alloy has low gas content and vapor pressure, and high thermal and electrical conductivities.
The following section will discuss in detail about Nickel 200 alloy.
Chemical Composition
The chemical composition Nickel 200 alloy is outlined in the following table.
| Element | Content (%) |
| Nickel, Ni | ≥ 99 |
| Iron, Fe | ≤ 0.40 |
| Manganese, Mn | ≤ 0.35 |
| Silicon, Si | ≤ 0.35 |
| Copper, Cu | ≤ 0.25 |
| Carbon, C | ≤ 0.15 |
| Sulfur, S | ≤ 0.010 |
Physical Properties
The following table shows the physical properties of Nickel 200 alloy.
| Properties | Metric | Imperial |
| Density | 8.89 g/cm3 | 0.321 lb/in3 |
| Melting point | 1435-1446°C | 2615-2635°F |
Mechanical Properties
The mechanical properties of Nickel 200 alloy are displayed in the following table.
| Properties | Metric | Imperial |
| Tensile strength (annealed) | 462 MPa | 67000 psi |
| Yield strength (annealed) | 148 MPa | 21500 psi |
| Elongation at break (annealed prior to test) | 45% | 45% |
Thermal Properties
The thermal properties of Nickel 200 alloy are given in the following table
| Properties | Metric | Imperial |
| Thermal expansion co-efficient (@20-100°C/68-212°F) | 13.3 µm/m°C | 7.39 µin/in°F |
| Thermal conductivity | 70.2 W/mK | 487 BTU.in/hrft².°F |
Other Designations
Other designations that are equivalent to nickel 200 alloy include the following:
- ASME SB-160 - SB-163
- DIN 17740
- DIN 17750-17754
- BS 3072-3076
- ASTM B 160 - B 163
- ASTM B 725
- ASTM B 730
Applications
The following are the list of applications of nickel 200 alloy:
- Synthetic fibers
- Food processing equipment
- Drums to transport chemicals
- Rocket motors
- Piping and equipment used in conjunction with alkalis
- Handling of foods
- Aerospace and missile components
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